The Role of Decay Fungi and Wood Species on the Wood Consumption Rates of Reticulitermes Hesperus Banks (Isoptera: Rhinotermitidae) PDF Download
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Author: Gail Mary Getty
Publisher:
ISBN:
Category :
Languages : en
Pages : 66
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Book Description
Author: Gail Mary Getty
Publisher:
ISBN:
Category :
Languages : en
Pages : 66
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Book Description
Author: Brice Anthony McPherson
Publisher:
ISBN:
Category :
Languages : en
Pages : 198
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Author: Mark Edward Mankowski
Publisher:
ISBN:
Category : Hodotermitidae
Languages : en
Pages : 94
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Book Description
The effects of natural preconditioning (source wood), wood species, and previous exposure of wood to two types of fungi on the feeding rates and protozoa survival in the Pacific dampwood termite Zootermopsis angusticollis (Isoptera: Termospidae) were examined under laboratory conditions. Termites were exposed to four wood species that had been treated previously with a non-wood decay fungus or a wood decay fungus for various lengths of time, or were untreated. Termite feeding was measured in forced feeding and choice feeding tests, after which two types of gut protozoa (Trichomitopsis spp. and Trichonympha spp.) were counted. Wood species and previous fungal exposure both affected consumption rates and protozoa numbers in Z. angusticollis. The results indicated that pre-conditioning did not affect the amount of wood consumed or protozoa numbers in forced feeding tests, but sometimes affected protozoa numbers in choice feeding tests. Exposure of various conifer woods to an early colonizing white rot fungus, Stereum sanguinolentum, affected how much wood of a particular species was consumed by dampwood termites in both forced and choice feeding tests. Exposure of these woods to a non-wood decay fungus, Trichoderma viride, had little effect on wood consumption but did affect the numbers of one type of gut protozoan, Trichoniitopsis, in choice testing.
Author: Bruce G. Marcot
Publisher:
ISBN:
Category : Wood-decaying fungi
Languages : en
Pages : 32
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Book Description
Fungi are key players in the health, diversity, and productivity of forest ecosystems in Pacific Northwest forests, as mycorrhizal associations, pathogens, decomposers, nontimber resources, and food resources for wildlife. A number of invertebrate species are associated with wood decay fungi, serve as vectors for fungal pathogens, or are fungivorous (consume fungi) and influence rates of wood decay and nutrient mineralization. In Washington and Oregon, 31 wildlife species among 8 families are fungivores, and at least 14 wildlife species disperse fungi. Down wood can provide nurse substrates for seedlings and beneficial mycorrhizal fungi, refuges from pathogenic soil fungi, sources of nutrients for decay fungi, and substrates supporting overall fungal diversity. Presence, density, distribution, and diversity of fungi are influenced by forest stand management practices, forest age class, and effects of fire. Old forests provide for a suite of rare fungi species. Old legacy trees retained during forest harvest can provide some degree of conservation of beneficial and rare fungi. Fungi can be difficult to detect and monitor; surveying for fungi at various times of the year, for multiple (at least 5) years, and by including hypogeous (belowground) samples, can improve detection rates. Studies are needed in the Pacific Northwest to quantify the amount of down wood--number of pieces, sizes, total biomass, percentage of forest floor cover, and other attributes--necessary for maintaining or restoring fungal biodiversity and viable levels of individual fungi species, especially rare species.
Author: Francis W.M.R. Schwarze
Publisher: Springer Science & Business Media
ISBN: 9783540672050
Category : Nature
Languages : en
Pages : 214
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Book Description
Fundamentals aspects; Examination, importance and mechanical effects of wood-decay fungi in the living trees; Host-fungus interactions: Development and prognosis of wood decay in the sapwood.
Author: A. D. M. Rayner
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 616
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Book Description
An attempt to provide a multidisciplinary synthesis of information and principles describing the mechanisms by which wood becomes colonised and decayed by fungi and how these may be studied, controlled and exploited.
Author: Rodney C. DeGroot
Publisher:
ISBN:
Category : Fungicides
Languages : en
Pages : 12
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Book Description
Much discussion has been held regarding the merits of laboratory decay tests compared with field tests to evaluate wood preservatives. In this study, procedural aspects of soil jar decay tests with 1 cm 3 blocks were critically examined. Differences among individual bottles were a major source of variation in this method. The reproducibility and sensitivity of the soil-jar method using small blocks must be further characterized before it can be accepted as a standard protocol for evaluating preservative-treated wood.
Author: Forest Products Research Laboratory (Princes Risborough, England)
Publisher:
ISBN:
Category : Phytopathogenic fungi
Languages : en
Pages : 416
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Book Description
Author: Burton Orange Longyear
Publisher:
ISBN:
Category : Wood
Languages : en
Pages : 72
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Author: W. Wayne Wilcox
Publisher:
ISBN:
Category : Host-parasite relationships
Languages : en
Pages : 54
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Book Description
The sequence of changes observed microscopically that occurred in wood throughout successive stages of decay was studied in the sapwood of a hardwood, sweetgum (Liquidambar styraciflua L.), and of a softwood, southern pine (Pinus sp.). The fungi used were Polyporus versicolor L. ex Fr., a white-rot fungus, and Poria monticola Murr., a brown-rot fungus. Light microscopy, plus the techniques of polarization and ultraviolet-absorption microscopy, was used to make the observations on sections 4 microns thick cut from celloidin-embedded specimens. (Author).
